#4831: Can't initialize h264_qsv encoder post Aug 29 2015 - Ivy Bridge CPU
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Reporter: babgvant | Owner: IvUs
Type: defect | Status: reopened
Priority: important | Component: avcodec
Version: git-master | Resolution:
Keywords: qsv | Blocked By:
regression | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 1 |
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Comment (by heleppkes):
The version passed to mfxInit is just the minimal version, not the version
the actual runtime will end up being in the end.
So what happens when we request runtime 1.1 on a modern GPU?
From what I can tell, nothing changes at all, since the actual runtime
version is still the same.
What changes on an old GPU? Well, I can't be 100% sure about that. Maybe
it still fails because unsupported options are set, but from what I can
tell only the LookAhead RC mode is "new" enough, and HEVC support. So
would it work, and only fail if LA or HEVC is used?
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Ticket URL: <https://trac.ffmpeg.org/ticket/4831#comment:15>
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